kellet



WITNESSES (No Model.) 4 Sheets-Sheet 1.

D.H.KELL'EY. STEAM SHOVBL.

' No. 558,908. Patented Apr. 21, 1896.

AN DREW B GRAHAM. PHDTOinKQwASHINGToN, D c

4 Sheets-Sheet 2.

(No Model.)

'D. H. KELLEY.

STEAM SHOVBL.

Patented Apr. 21, 1896.

\Nrrplzsszs. )e. #0. @d-e W1 time AN DREW B GRAHAM. PHOTO LIYNQWA5HINGTUN, D C

4 Sheets-Sheet 3.

(No Model.)

D. H. KELLEY. STEAM SHOVEL. N0. 558,9-08-. Patented Apr. 21, 1 896.

WQLEEEEEE M ANDREW BERMIAM. PROTO-UTNOWASHI NGTON. n c

4 Sheets-Sheet 4. D. H. KELLEY.

STEAM SHOVEL.

Patented Apr. 21, 1896.

(No Model.)

.r i I ANDREW BYGRAHAM, PHOT0-LITHO. WASHINGTON. DC

- llllll llll NI'IE STA'ES PATENT OFFICE.

DANIEL lI. KELLEY, OF CHELSEA, MASSACHUSETTS, ASSIGNOR OF ONE-HALF TOJEREMIAH CAMPBELL, OF SAME PLACE.

STEAM-SHOVEL.

SPECIFICATION forming part of Letters Patent No. 558,908, dated April21, 1896.

Application filed October 19, 1895. Serial No. 566,207. (No model.)

T0 at whom it may concern-.-

Be it known that I, DANIEL II. KELLEY, a citizen of the United States,residing at Chelsea, in the county of Suifolk and State ofMassachusetts, have invented a new and useful Improvement inSteam-Shovels, of which the following is a full, clear, and exactdescription, reference being had to the accompanying drawings, forming apart of this specification, in explaining its nature.

The invention relates to means for preventing the twisting or turning ofa steam-shovel while it is being lifted and lowered.

In the operation of steam shovels, buckets, and scoops which aresuspended, lifted, and lowered by one or more ropes or chains, and whichhave no other means for operating them, the bucket shows a tendency toturn or twist while it is in a suspended condition and to thereby turnor twist the hoisting rope or ropes. It has been customary to controlthis tendency or to attempt to control it by means of a rope attached tothe shovel and held by a man generally below the shovel, who bystraining upon the rope and following the movement of the shovelprevents to some extent, although not always successfully, thistendency. This at the best is only a makeshift, as the shovel is usuallyvery rapidly operated, and the man can only follow the movements for ashort part of the upward movement of the shovel, and it is, therefore,not at all satisfactory. Not only this, but the shovel is so heavy thatone mans strength is not sufficient to quickly control it. There isdanger also of the man being caught in the coil of the rope and beinglifted by it or otherwise injured.

My invention overcomes the objection above named and saves the servicesof one man, being entirely automatic in its action. It also permits theshovel to be run at a higher speed and controls it more completely.

In the drawings, Figure 1 is a view in elevation of the steam-shovel andits operating devices. Fig. 2 is a view in end elevation of the boomlooked at from a point beyond its end. Fig. 3 is a view of the shovel,enlarged, to represent the form of connection which I prefer to employbetween itand the automatically controlled guy-rope. Figs. 4 and 5 showdifferent positions of the shovel devices.

A is the trolley. It is movable upon the boom 0 in the usual way.

Bis the steam-shovel, and b b are its hoisting and actuating ropes,which extend about rolls carried by the trolley to a stationaryactuating-engine.

Attached preferably, but not necessarily, to the outer end of the boom 0is the pulley c, and the steadying-rope 0 which is attached to the sideof the shovel, preferably by a bridle F, extending to the side cornersthereof, (see Fig. 3,) extends outwardly upon a diagonal or divergingline from the side of the shovel to the pulley 0, over which it runs,and about the suspended pulley c to the end of the boom, where it isattached toit by a bolt 0 or any other suitable device.

D is a Weight, which may be attached to the end of the rope c or to themovable sheave or pulley 0, about which the rope runs.

Where the drop of the shovel is small, the pulley a may be dispensedwith, but where the drop of the shovel is great there is danger that therapid rising and falling of the shovel may cause the weight to swingback and forth, and in such cases it is desirable that the travel of theweight be reduced.

While I have described the pulley c as attached to the end of the boom0, Iwould not be understood as limiting the invention to this specificconstruction, as it may be at tached to some other part of the boom orother suitable support.

I do not limit the invention to the employment of a weight, .but wish itunderstood that any means for exerting automatically a constant tensionupon the said rope 0 may be employed.

I prefer to attach the rope c to the shovel by a bridle F, as abovestated, extending from the lower end of the rope to each corner of theshovel upon the side toward the rope, and it is desirable that thesections of this bridle should be ofthe same length. This permits thesteadying-rope to exert a leverage upon the shovel greater than it wouldhave if it were attached to the side at its center only, and increasesthe efficiency of the invention.

It will be understood that unlike the mancontrolled rope the steadyingdevicec exerts a constraining effect upon the shovel throughout itsentire movement while being lifted, while at rest, and while it is beinglowered, while the man-operated rope is only effective within arelatively short distance from the man holding it-say fifteen or twentyfeet. It is desirable that the steadying-rope have as great aninclination or angle to a vertical line as is consistent with the otherfeatures of construction and operation, and it will be seen that thisangle increases as the shovel is lifted and moved by the trolley towardthe point of discharge.

1 would be understood as meaning in the term rope or ropes chains orcords, or similar flexible operating devices, and I would not beunderstood as limiting the invention to a shovel suspended by two ropes,as it is equally effective with a shovel suspended by one, and I wouldalso say that it may be used with equal effect in preventing arope-suspended scoop or bucket from turning.

I11 Fig. 4 I have shown the shovel controlling or steadying rope c asextending about a sheave e at the outer end of the boom, and thenceupwardly and inwardly to a sheave c, carried or supported at the upperend of the frame, which carries the sheaves over which the shovellifting and operating ropes extend, the steadying or controlling ropeextending downward from this sheave inside the frame, and having at itslower end the weight D.

In Fig. 5 the steadying or controlling rope 0 passes around a sheave atthe end of the boom and a sheave at the top of the framework, and isattached to the framework near the top thereof. It carries, by means ofa sheave or pulley, the weight 1) inside the framework be tween theupper sheave and the said point of attachment. The weight is thus givena relatively short travel, and it is more favorably located than whenarranged to hang from the outer end of the boom, as represented inFig. 1. The weight is steadied and the rope prevented from twisting bymeans of a guiding wire or rod c and an arm (2, extending from thehousing of the weight-sheave and connected with the rod or wire 6 toslide thereon.

When the weight is disposed as represented in Figs. 4 and 5, the shovelmay be used for inboard or outboard loading without changing theposition of the steadying-rope, and the weight is also out of the wayand protected, and I therefore prefer this. construction, and especiallythat of Fig. 5, to the construction of Fig. 1, where the weight issomewhat in the way, especially for outboard loading, and it isgenerally necessary to reverse the position of the steadying-rope inrelation to the shovel to the inner end of the boom when theconstruction of Fig. 1 is employed for outboard work.

It will be understood that this invention relates to the class ofshovels, scoops, or buckets which are entirely ropesuspcnded, and whichare very different in construction and operation from the class ofdredges an d shovels which use guiding-poles.

I do not herein claim the specific applications of the inventiondescribed in the application of Jeremiah Campbell for steam-shovels,filed August 30, 1895, Serial No. 560,989,

and in the joint application of the said Camp-- bell and myself, filedJanuary 19, 1895, Serial No. 535,496.

Having thus fully described my invention, I claim and desire to secureby Letters Patent of the United States- 1. As a means for automaticallypreventing the turning of a rope-suspended steamshovel, scoop or bucketand the twisting of its actuating rope or ropes, the combination of ahorizontally-movable trolley A, a shovel D, a shovel-actuating rope orropes extending from or connecting the trolley with the shovel andmovable with the trolley and also in relation to it, and an automaticshovelsteadying device comprising a rope connected to the side of theshovel and extending to a stationary pulley or block in a line divergingfrom that of the shovel-actuating rope or ropes, the said pulley orblock, and means for exerting a constant tension upon said rope, as andfor the purposes described.

2. The combination of a power-shovel suspended and operated by one ormore ropes substantially as specified with an automatically-actin gsteadying device comprising a rope or chain having an automatic take-upand connected with the shovel at an angle to the said suspending andoperating rope or ropes, whereby a draft or pull is exerted upon theshovel sufficient to prevent the turning or twisting thereof whilesuspended, as and for the purposes described.

3. The combination in a device of the character specified of the trolleyA, the shovel B, its actuating rope or ropes, the rope c at tached tothe side of the shovel, a stationary pulley about which said ropeextends on a line diverging from that of the actuating rope or ropes, amovable pulley and a weight carried thereby, the said rope extendingover the stationary pulley and around the movable pulley to a point ofattachment, as and for the purposes described.

4. The combination in a machine of the character specified of asteam-shovel having a great rise and fall and also adapted to be movedlaterally, its hoisting and controlling rope or ropes, a bridle attachedto the corners of the steam-shovel, a steadying-rope leading from thecenter of said bridle in a diverging line to a stationary pulley orblock and means beyond said stationary pulley or block for exerting aconstant tension upon said rope and bridle, as and for the purposesdescribed.

5. The combination in a machine of the character specified, of a ropesuspended steam-shovel having a great rise and fall and also adapted tobe moved laterally, its hoist ing and controlling rope or ropes, asteadying-rope attached to the side of the steamshovel and extending ina diverging line over IOO IIO

a fixed or stationary pulley or block and meansbeyond the pulley orblock for exerting a constant tension upon said rope, as and for thepurposes described.

- 6. The combination in an apparatus of the character specified of asteam-shovel having automatic movements, a stationary engine, a trolley,means connecting it with an engine for moving it horizontally, actuatingand hoisting devices connecting the shovel with the trolley andstationary engine, and a rope or line extending from one side of theshovel at a point removed from the lower end of the shovel-hoistingdevice and arranged to diverge from said point of attachment, and meansconnected with the rope for exerting a constant automatic tensionthereon, as and for the purposes specified.

7. The combination in a hoisting apparatus of the character specified ofa stationary. engine, a trolley, means connecting the trolley with theengine for moving the trolley, actuating means extending from the shovelto the trolley for automatically closing and opening the steam-shovel, astationary engine and a rope or line extending diagonally from the sideof the shovel outwardly to a fixed point, the said trolley and shovelhaving a movement away from said fixed point while the shovel is beinglifted, as and for the purposes described.

8. In an apparatus of the character specified, the combination of themovable trolley, the steam-shovel, its actuating-ropes, the position ofwhich is controlled by the trolley, the steadying-rope, its weight D,and a guide with which the weight is connected and upon which it isadapted to be moved vertically, as and for the purposes set forth.

DANIEL H. KELLEY. Witnesses:

F. F. RAYMOND 2d, J. M. DOLAN.

